Tower of Hanoi: Brute Force Method

gistfile1.txt

#Tower of Hanoi

#rules:
# arrays will be the pegs
# each array goes from top on left to bottom on right
# win/stop when c = [1,2,3,4]
#pieces cannot go to a space where a lower number is farther into the array.

def move_disc
  a = [1,2,3,4]
  b = [0,0,0,0]
  c = [0,0,0,0]
  turn = 0
  while c != [1,2,3,4] do
    turn += 1
    if a == [1,2,3,4] && b == [0,0,0,0] && c == [0,0,0,0]
      a = [0,2,3,4]
      b = [0,0,0,1]
      c = [0,0,0,0]
    elsif a == [0,2,3,4] && b == [0,0,0,1] && c == [0,0,0,0]
      a = [0,0,3,4]
      b = [0,0,0,1]
      c = [0,0,0,2]
    elsif a == [0,0,3,4] && b == [0,0,0,1] && c == [0,0,0,2]
      a = [0,0,3,4]
      b = [0,0,0,0]
      c = [0,0,1,2]
    elsif a == [0,0,3,4] && b == [0,0,0,0] && c == [0,0,1,2]
      a = [0,0,0,4]
      b = [0,0,0,3]
      c = [0,0,1,2]
    elsif a == [0,0,0,4] && b == [0,0,0,3] && c == [0,0,1,2]
      a = [0,0,1,4]
      b = [0,0,0,3]
      c = [0,0,0,2]
    elsif a == [0,0,1,4] && b == [0,0,0,3] && c == [0,0,0,2]
      a = [0,0,1,4]
      b = [0,0,2,3]
      c = [0,0,0,0]
    elsif a == [0,0,1,4] && b == [0,0,2,3] && c == [0,0,0,0]
      a = [0,0,0,4]
      b = [0,1,2,3]
      c = [0,0,0,0]
    elsif a == [0,0,0,4] && b == [0,1,2,3] && c == [0,0,0,0]
      a = [0,0,0,0]
      b = [0,1,2,3]
      c = [0,0,0,4]
    elsif a == [0,0,0,0] && b == [0,1,2,3] && c == [0,0,0,4]
      a = [0,0,0,0]
      b = [0,0,2,3]
      c = [0,0,1,4]
    elsif a == [0,0,0,0] && b == [0,0,2,3] && c == [0,0,1,4]
      a = [0,0,0,2]
      b = [0,0,0,3]
      c = [0,0,1,4]
    elsif a == [0,0,0,2] && b == [0,0,0,3] && c == [0,0,1,4]
      a = [0,0,1,2]
      b = [0,0,0,3]
      c = [0,0,0,4]
    elsif a == [0,0,1,2] && b == [0,0,0,3] && c == [0,0,0,4]
      a = [0,0,1,2]
      b = [0,0,0,0]
      c = [0,0,3,4]
    elsif a == [0,0,1,2] && b == [0,0,0,0] && c == [0,0,3,4]
      a = [0,0,0,2]
      b = [0,0,0,1]
      c = [0,0,3,4]
    elsif a == [0,0,0,2] && b == [0,0,0,1] && c == [0,0,3,4]
      a = [0,0,0,0]
      b = [0,0,0,1]
      c = [0,2,3,4]
    elsif a == [0,0,0,0] && b == [0,0,0,1] && c == [0,2,3,4]
      a = [0,0,0,0]
      b = [0,0,0,0]
      c = [1,2,3,4]
    else
      puts "Something broke."
    end
    puts "After #{turn} moves the pegs look like..."
    p a
    p b
    p c
  end
end

move_disc